Multi-joint isokinetic training and testing system

HomeRehabilitation EvaluationMulti-joint isokinetic training and testing systemMulti-joint isokinetic training and testing system

Multi-joint isokinetic training and testing system

The multi-joint isokinetic training and testing system refers to a system that can maintain a constant movement speed and variable resistance during joint movement. The movement speed is pre-set on the machine. During the test, muscle force only increases muscle strength and torque output without changing the angular velocity during the movement. That is, the movement speed is constant, and the muscles can generate maximum muscle force at any point in the entire movement process. It is a multifunctional device for evaluating muscle function and training muscle strength.

Multi-joint Isokinetic Training and Testing System | Isokinetic Muscle Strength Assessment Device

Multi-joint Isokinetic Training and Testing System

Isokinetic · Isotonic · Isometric · Concentric | Gold Standard for Muscle Assessment & Rehabilitation


1. Product Principle & Definition

The multi-joint isokinetic training and testing system maintains constant movement speed with variable resistance during joint motion. The angular velocity is preset by the device; muscle strength output increases without changing movement speed, allowing maximum muscle force generation at any position throughout the motion range. It serves as a professional multifunctional device for muscle function evaluation and strength training.

Occupying less than 3 square meters with over 50 functional modes, it fully meets whole-body muscle assessment and training demands, delivering an integrated muscle rehabilitation solution.

2. Target Muscle Groups

Supraspinatus / DeltoidLatissimus dorsi / Pectoralis majorTriceps brachii / Biceps brachiiRectus abdominis / SacrospinalisGluteus maximus / HamstringQuadriceps femoris / GastrocnemiusTibialis anterior / Soleus / Achilles tendon

3. Key Features & Advanced Technology

Professional-level Software All-joint muscle evaluation, multiple training modes, interactive game training, real-time data feedback and multi-group data comparison.
High-precision Power Head Separated coil induction torque sensor with anti-interference design. Servo motor matched with star reducer ensures high torque output, long service life and built-in safety protection.
Electric Infinite Position Adjustment Electric adjustable seat and power head adapt to different body shapes, simplifying equipment setup and patient positioning.
Real-time Visual Display Integrated high-definition screen presents equipment status and training data intuitively for easy operation.
Intelligent Main Control System High-performance MPU built with 12 sets of motion logic algorithms, supporting analog, digital, pulse and communication multi-control modes.
Safety Limit Protection Plug-in magnetic limit block with buffer protection, real-time position detection and automatic safety alarm to avoid sports injury.

4. Evaluation Parameter Indicators

Testing ParameterClinical Application Significance
Peak TorqueMaximum output force of muscle contraction, core index for evaluating muscle strength level.
Peak AngleJoint angle corresponding to peak torque, marking the optimal muscle contraction angle.
Endurance RatioReflects muscle fatigue resistance during repeated contraction movements.
Left & Right Muscle Balance RatioJudges limb strength symmetry; difference over 10% increases joint injury risk.
Peak Torque / Weight RatioStandardized strength evaluation for cross-individual and cross-group comparison.
Torque Acceleration EnergyEvaluates muscle explosive contraction capacity within initial movement stage.
Agonist / Antagonist Torque RatioAssesses muscle coordination and joint stability to predict latent joint lesions.
Average Joint Range of MotionQuantifies joint movement limitation and provides basis for personalized rehabilitation planning.

5. Core Training Modes

Isokinetic Mode Constant angular velocity with compliant resistance, enabling maximum muscle force output throughout the whole motion range.
Isotonic Mode Constant muscle tension with changing muscle length, simulating daily labor and sports exertion habits.
Isometric Mode Fixed muscle length with gradual tension increase, ideal for early postoperative immobilization rehabilitation.
Concentric Mode Active muscle shortening contraction, targeted for muscle strength enhancement and sports reserve training.

6. Applicable Departments & Clinical Indications

Applicable Departments
  • Rehabilitation Medicine Department

  • Orthopedics & Traumatology

  • Sports Medicine Department

  • Sports Colleges & Professional Training Centers

Clinical Adaptation Scope
  • Nervous system injury: Stroke, brain trauma, spinal cord injury, Parkinson's disease

  • Bone & joint injury: Osteoarthritis, ACL injury, meniscus injury, patellar chondromalacia

  • Sports population: Strength improvement, explosive power training, return-to-sport assessment

7. Technical Specifications

Product Dimension (L×W×H)2100 × 700 × 1650 mm
Gross Weight350 kg
Sampling Frequency≥2000 Hz
Max Concentric/Eccentric Torque630 N·m
Max Isotonic Torque350 N·m
Concentric Angular Velocity1 – 500 °/s
Eccentric Angular Velocity1 – 360 °/s
Power Head Electric Lift Range0 – 300 mm
Seat Safety Load135 kg
Configuration21" HD Monitor, Windows 10 System, 4GB RAM + 256GB SSD
Power Supply220V / 50Hz, Grounding Required

8. Intelligent Management & Rehabilitation Solution

This system provides one-stop muscle strength assessment, targeted training and data management solution. It supports automatic report generation, historical data comparison, game-based interactive training and patient file management.

  • Automatically generate professional assessment reports to support rehabilitation scheme adjustment

  • Game interactive training improves patient initiative and rehabilitation compliance

  • Unified user & equipment management platform for medical institutions and training centers

9. Typical Application Scenarios

Institutional Application
Rehabilitation Hall, Physical Therapy Room, Sports Medicine Clinic, Elderly Care Institution, Special Education Center
Applicable Crowds
Stroke, cerebral palsy, spinal cord injury, joint replacement postoperative, sports injury rehabilitation, elderly muscle weakness
多关节等速训练与测试系统 | 等速肌力评估设备 | 钱璟康复

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